User’s Manual of FSD-804PS
4.5.3 VLAN setting example:
4.5.3.1 Two separate 802.1Q VLAN
The diagram shows how the switch handle Tagged and Untagged traffic flow for two VLANs.
VLAN Group 2
and
VLAN
Group 3
are separated VLAN. Each VLAN isolate network traffic so only members of the VLAN receive traffic from the
same VLAN members. The screen in
Figure 4-20
appears and
Table 4-4
describes the port configuration of switch.
Figure 4-27
two separate VLAN diagram
VLAN Group
VID
Untagged Members
Tagged Members
VLAN Group 1
1
Port-7~Port-8
N/A
VLAN Group 2
2
Port-1,Port-2
Port-3
VLAN Group 3
3
Port-4,Port-5
Port-6
Table 4-4
VLAN and Port Configuration
The scenario described as follow:
Untagged packet entering VALN 2
1.
While
[PC-1]
transmit an
untagged
packet enters
Port-1
, the switch will tag it with a
VLAN Tag=2
.
[PC-2]
and
[PC-3
] will received the packet through
Port-2
and
Port-3
.
2.
[PC-4],[PC-5] and [PC-6] received no packet.
3.
While the packet leaves
Port-2
, it will be stripped away it tag becoming an
untagged
packet.
4.
While the packet leaves
Port-3
, it will keep as a
tagged
packet with
VLAN Tag=2
.
Tagged packet entering VLAN 2
5.
While
[PC-3]
transmit a
tagged
packet with
VLAN Tag=2
enters
Port-3
,
[PC-1]
and
[PC-2]
will received the
packet through
Port-1
and
Port-2
.
6.
While the packet leaves
Port-1
and
Port-2
, it will be stripped away it tag becoming an
untagged
packet.
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